JPH04134737A - 光ディスク駆動装置及び光量調整装置 - Google Patents

光ディスク駆動装置及び光量調整装置

Info

Publication number
JPH04134737A
JPH04134737A JP2255468A JP25546890A JPH04134737A JP H04134737 A JPH04134737 A JP H04134737A JP 2255468 A JP2255468 A JP 2255468A JP 25546890 A JP25546890 A JP 25546890A JP H04134737 A JPH04134737 A JP H04134737A
Authority
JP
Japan
Prior art keywords
output
value
laser output
digital
mode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2255468A
Other languages
English (en)
Japanese (ja)
Inventor
Kazuo Sotozono
外園　一夫
Tatsuoki Shinohara
篠原　立興
Akira Tokizono
時園　晃
Shigeo Ueno
植野　栄夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to JP2255468A priority Critical patent/JPH04134737A/ja
Priority to US07/757,799 priority patent/US5231625A/en
Priority to EP19910308689 priority patent/EP0478275A3/en
Publication of JPH04134737A publication Critical patent/JPH04134737A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2255468A 1990-09-27 1990-09-27 光ディスク駆動装置及び光量調整装置 Pending JPH04134737A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2255468A JPH04134737A (ja) 1990-09-27 1990-09-27 光ディスク駆動装置及び光量調整装置
US07/757,799 US5231625A (en) 1990-09-27 1991-09-11 Optical disk drive wherein a preset reading laser power is used to generate a desired white laser power
EP19910308689 EP0478275A3 (en) 1990-09-27 1991-09-24 A method of and apparatus for controlling laser power in an optical disk drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2255468A JPH04134737A (ja) 1990-09-27 1990-09-27 光ディスク駆動装置及び光量調整装置

Publications (1)

Publication Number Publication Date
JPH04134737A true JPH04134737A (ja) 1992-05-08

Family

ID=17279190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2255468A Pending JPH04134737A (ja) 1990-09-27 1990-09-27 光ディスク駆動装置及び光量調整装置

Country Status (3)

Country Link
US (1) US5231625A (fr)
EP (1) EP0478275A3 (fr)
JP (1) JPH04134737A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5777964A (en) * 1995-12-20 1998-07-07 Fujitsu Limited Optical disk apparatus

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5680382A (en) * 1992-04-10 1997-10-21 Canon Kabushiki Kaisha Optical information recording apparatus and method capable of handling a plurality of card-like recording media of different reflectance
US5978335A (en) * 1996-06-28 1999-11-02 Ibm Integrated calibration apparatus for a multi-mode information storage system
WO1999053487A2 (fr) * 1998-04-09 1999-10-21 Seagate Technology, Inc. Circuit de commande de lasers avec un servomecanisme de guidage
JP2001134974A (ja) * 1999-11-09 2001-05-18 Sanyo Electric Co Ltd 光ディスク記録再生装置のレーザー出力制御回路
TW470945B (en) * 2000-06-15 2002-01-01 Ind Tech Res Inst Automatic output power calibration method of the pickup head of optical storage medium
US6728178B2 (en) * 2000-10-27 2004-04-27 Matsushita Electric Industrial Co., Ltd. Semiconductor laser control method and semiconductor laser control device
DE10064775A1 (de) * 2000-12-22 2002-06-27 Thomson Brandt Gmbh Verfahren und Anordnung zum Regeln der Lichtleistung eines Abtaststrahls in einem Gerät zum Lesen oder zum Beschreiben optischer Aufzeichnungsträger
KR100857083B1 (ko) 2002-06-26 2008-09-05 주식회사 히타치엘지 데이터 스토리지 코리아 광디스크 장치에서의 기준 파워 설정방법
EP1720165B1 (fr) 2005-03-23 2010-10-06 Hitachi-LG Data Storage Korea, Inc. Procédé de compensation d' erreur de position dans un appareil à disque optique
EP2200036A1 (fr) 2005-04-29 2010-06-23 Hitachi-LG Data Storage Korea Inc. Procédé de réglage de la puissance laser dans un lecteur de disque optique
KR100653493B1 (ko) * 2005-05-26 2006-12-05 주식회사 히타치엘지 데이터 스토리지 코리아 광디스크장치의 레이저파워 설정방법
JP4470815B2 (ja) * 2005-05-31 2010-06-02 船井電機株式会社 レーザパワーモニター用出力電圧調整方法
WO2008025016A2 (fr) * 2006-08-25 2008-02-28 The Trustees Of Columbia University In The City Of New York systèmes et procédés de biodosimétrie à RAYONNEMENT à invasion minime, à haut rendement
TW201027522A (en) * 2009-01-09 2010-07-16 Sunplus Technology Co Ltd Methods for on-line calibrating output power of optical pick-up

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6374131A (ja) * 1986-09-18 1988-04-04 Ricoh Co Ltd 光情報記録再生装置
JPH0233737A (ja) * 1988-07-22 1990-02-02 Sharp Corp 半導体レーザ駆動装置
JPH02165424A (ja) * 1988-12-16 1990-06-26 Sanyo Electric Co Ltd レーザパワーの制御方法及びその制御回路

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5880138A (ja) * 1981-11-06 1983-05-14 Teac Co 光記録方式
JPS58100245A (ja) * 1981-12-11 1983-06-14 Nec Corp 光学的記録再生装置における光量制御装置
JPS5979440A (ja) * 1982-10-28 1984-05-08 Fujitsu Ltd レ−ザ−ダイオ−ド駆動回路
JPS59227043A (ja) * 1983-06-06 1984-12-20 Canon Inc 光学式情報記録方式
JPS60143438A (ja) * 1983-12-30 1985-07-29 Ricoh Co Ltd 情報記録再生装置
JPS60247836A (ja) * 1984-05-22 1985-12-07 Nippon Gakki Seizo Kk 光学式情報再生装置
JPS61184742A (ja) * 1985-02-13 1986-08-18 Nec Corp 光学式情報記録再生装置の光量制御装置
JP2615553B2 (ja) * 1985-11-14 1997-05-28 富士通株式会社 レーザ制御装置
JPH07111782B2 (ja) * 1986-08-13 1995-11-29 ソニー株式会社 光デイスクの記録再生装置
JPH0827950B2 (ja) * 1986-10-20 1996-03-21 オリンパス光学工業株式会社 光学的情報記録再生装置のレ−ザコントロ−ル回路
JPS63184934A (ja) * 1987-01-27 1988-07-30 Matsushita Commun Ind Co Ltd 光出力安定化回路
GB2229268A (en) * 1989-02-27 1990-09-19 Philips Nv Radiation emitting arrangement monitoring and controlling system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6374131A (ja) * 1986-09-18 1988-04-04 Ricoh Co Ltd 光情報記録再生装置
JPH0233737A (ja) * 1988-07-22 1990-02-02 Sharp Corp 半導体レーザ駆動装置
JPH02165424A (ja) * 1988-12-16 1990-06-26 Sanyo Electric Co Ltd レーザパワーの制御方法及びその制御回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5777964A (en) * 1995-12-20 1998-07-07 Fujitsu Limited Optical disk apparatus
US5920534A (en) * 1995-12-20 1999-07-06 Fujitsu Limited Optical disk apparatus
US6115350A (en) * 1995-12-20 2000-09-05 Fujitsu Limited Optical disk having write power adjustment portion

Also Published As

Publication number Publication date
EP0478275A2 (fr) 1992-04-01
EP0478275A3 (en) 1992-08-05
US5231625A (en) 1993-07-27

Similar Documents

Publication Publication Date Title
JPH04134737A (ja) 光ディスク駆動装置及び光量調整装置
US7609602B2 (en) Method of generating a recording pulse train in accordance with a NRZI signal for recording information to a recording medium
JP3457463B2 (ja) 光学的記憶装置
US5029155A (en) Optical information recording/reproducing apparatus in which recording power is set prior to recording
KR100322601B1 (ko) 광디스크 기록 방법, 광디스크 기록 장치의 제어 방법 및 이에 적합한 광디스크 기록 장치
KR100557275B1 (ko) 광기록매체
KR20050053767A (ko) 광디스크 드라이브 및 그의 구동 방법
US6690632B1 (en) Tilt servo apparatus and control method thereof
US5008888A (en) Semiconductor laser driving apparatus
US7366080B2 (en) Laser control unit, laser control circuit, and laser-power adjustment method
US5018155A (en) Semiconductor laser driving apparatus to be used for optical information recording and reproducing apparatus
JP2002032916A (ja) 記録装置
JPS6341091A (ja) レ−ザ発振器
US7126896B2 (en) Information recording method, recording condition detection method, and information recording apparatus
US7079460B2 (en) Optical power level-controlling device for stable oscillation of laser diode
US7420906B2 (en) Automatic power calibration apparatus for optical recording device and automatic power calibration method therefor
US6999402B2 (en) Device and method of recording information on an optical disc
JP2004110915A (ja) ライトパワー制御方法およびその装置
JPH04320384A (ja) レーザ駆動制御装置
JPH1031828A (ja) フォーカスサーボ装置
US20090180366A1 (en) Optical disc recording apparatus
KR100433524B1 (ko) 광정보저장매체 기록/재생 시스템의 레이저 다이오드 구동제어장치 및 제어방법
JPH06195760A (ja) 原盤露光装置
US20060280070A1 (en) Radiation source driving device and method for driving a radiation source
JPH04332924A (ja) 光ディスク媒体用データライトコントロール方法及び装置